chafing dish vs cooking utensil

chafing dish and cooking utensil both are nouns.

Word	Noun	Adjective	Verb	Adverb
chafing dish	Yes	No	No	No
cooking utensil	Yes	No	No	No

As nouns, cooking utensil is a hypernym of chafing dish; that is, cooking utensil is a word with a broader meaning than chafing dish:

chafing dish: a metal pan over a heater; used to cook or to keep things warm at the table
cooking utensil: a kitchen utensil made of material that does not melt easily; used for cooking

Other hypernyms of chafing dish include cookware.

chafing dish (noun)	cooking utensil (noun)
a metal pan over a heater; used to cook or to keep things warm at the table	a kitchen utensil made of material that does not melt easily; used for cooking